CN204604902U - A kind of scraper voltage-stabilizing system - Google Patents
A kind of scraper voltage-stabilizing system Download PDFInfo
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- CN204604902U CN204604902U CN201520053890.2U CN201520053890U CN204604902U CN 204604902 U CN204604902 U CN 204604902U CN 201520053890 U CN201520053890 U CN 201520053890U CN 204604902 U CN204604902 U CN 204604902U
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- scraper
- magnetic valve
- voltage
- stabilizing system
- inner chamber
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Abstract
Scraper voltage-stabilizing system provided by the utility model, comprise scraper and for regulating the vacuum box of scraper inner chamber air pressure, the first magnetic valve, the second magnetic valve, vavuum pump and central controller, wherein, central controller is connected with the pressure sensor that scraper inner chamber is communicated with, the first magnetic valve and the second magnetic valve respectively, it includes data processing module and sends instruction module, and can regulate the first magnetic valve and the second magnetic valve by the atmospheric pressure value measured by pressure sensor, and then the air pressure controlled in scraper inner chamber maintains a stationary value.The utility model is controlled by above-mentioned loop pressure-stabilizing, maintain the constant voltage of scraper inner chamber, and then achieve the stable of scraper inner chamber resin level and the effective removing to bubble, ensure the workpiece quality that be printed as power and print of the shaping printer of laser photocuring when printing of this scraper voltage-stabilizing system of application.
Description
Technical field
The utility model relates to a kind of voltage-stabilizing system, is specifically related to a kind of scraper voltage-stabilizing system be applied on the shaping printer of laser photocuring.
Background technology
The shaping printer of laser photocuring is called for short " SLA ", is adopt stereo carving principle, and a kind of printing device of rapid shaping, it is suitable for making middle-size and small-size workpiece, directly can obtain the product of resin or similar engineering plastics.
Wherein, SLA technique irradiates photosensitive resin with laser, and multi-shell curing makes the forming technique of 3D model.In the curing process, need a kind of device, i.e. scraper, ensure to print the stability of liquid level, remove bubble, simultaneously can in time equably stone on workpiece.So scraper has material impact to this SLA print quality, even determine that can print procedure complete.
At present, scraper many employings vacuum suction scraper of the prior art, when wing moves on printing liquid level, liquid resin is adsorbed onto scraper inner chamber, but existing vacuum suction scraper ubiquity chamber pressure is unstable, namely intraluminal fluid position is unstable, easily cause print job face liquid level unstable, print liquid level bubble cannot remove, cause and print workpiece size instability, even print failure.
Utility model content
The purpose of this utility model is to provide a kind of scraper voltage-stabilizing system for solving the problems of the technologies described above.
A kind of scraper voltage-stabilizing system, it is applied to the shaping printer of laser photocuring, for removing the bubble of resin liquid level in resin storage tank; This scraper voltage-stabilizing system comprises
Scraper, described scraper includes the edge of a knife and inner chamber, and the wherein said edge of a knife fits in the resin liquid level in this resin storage tank, and described inner space has a pressure sensor;
First magnetic valve, one end of described first magnetic valve is connected with vavuum pump, and the other end is by the intracavity inter-connection of vacuum box and scraper;
Second magnetic valve, one end of described second magnetic valve is placed in air, and the other end is by the intracavity inter-connection of vacuum box and scraper;
Central controller, described central controller comprises data processing module and sends instruction module, wherein said data processing module is for receiving atmospheric pressure value measured by pressure sensor and itself and the air pressure reference value preset being compared, described transmission instruction module for the consequential signal after accepting via data processing module comparison, and correspondingly regulates the first magnetic valve and the second magnetic valve.
Preferably, described central controller controls by regulating the air pressure of the throughput of the first magnetic valve and the second magnetic valve to scraper inner chamber.
Preferably, connect with tracheae between described vavuum pump, the first magnetic valve, the second magnetic valve and vacuum box.
Preferably, the two ends of described scraper offer pressure detecting interface and tracheae absorption interface respectively, are respectively used to tipping pressure sensor and vacuum box by tracheae.
Preferably, described scraper is provided with a form, and marks scale on this form, make this scraper operationally, observe the resin liquid level be placed in this scraper by this form.
Preferably, described vacuum box is an airtight cavity structure.
Or, a kind of scraper voltage-stabilizing system, comprise scraper, the first magnetic valve, the second magnetic valve, vavuum pump and central controller, one end of described scraper is connected with the first magnetic valve and the second magnetic valve respectively by tracheae, wherein the first magnetic valve is connected with vavuum pump, and the other end of the second magnetic valve is located in air; The inner chamber of this scraper is communicated with a pressure sensor, for monitoring the air pressure in this scraper inner chamber; This central controller is connected with pressure sensor, the first magnetic valve and the second magnetic valve respectively, it includes data processing module and sends instruction module, and can control the first magnetic valve respectively and the second magnetic valve carries out work by the atmospheric pressure value measured by pressure sensor.
Preferably, this voltage-stabilizing system comprises vacuum box further, and wherein this vacuum box is arranged on the tracheae that this scraper is connected with the first magnetic valve and the second magnetic valve.
Preferably, described vacuum box is an airtight cavity structure.
Preferably, described scraper is provided with a form, and marks scale on this form, make this scraper operationally, observe the resin liquid level be placed in this scraper by this form.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Scraper voltage-stabilizing system provided by the utility model, arranged by the concrete structure of the first magnetic valve, the second magnetic valve and central controller, make this scraper voltage-stabilizing system reach loop pressure-stabilizing to control, keep the constant voltage of scraper inner chamber, achieve effective removing of the stable of scraper inner chamber resin level and bubble, and then ensure the workpiece quality that be printed as power and print of the shaping printer of laser photocuring when printing of this scraper voltage-stabilizing system of application.
Accompanying drawing explanation
The structural representation of the scraper voltage-stabilizing system that Fig. 1 provides for the utility model preferred embodiment;
The structural representation of scraper in the scraper voltage-stabilizing system that Fig. 2 provides for the utility model preferred embodiment;
Fig. 3 is D-D sectional view in Fig. 2.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Referring to Fig. 1, the scraper voltage-stabilizing system 100 that the utility model preferred embodiment provides, being specifically applied on the shaping printer of laser photocuring (SLA), for removing the bubble in resin storage tank on resin liquid level.This scraper voltage-stabilizing system 100 comprises scraper 10, first magnetic valve 20, second magnetic valve 30, vacuum box 40, vavuum pump 50 and central controller 60, wherein connect with tracheae 70 between the first magnetic valve 20, second magnetic valve 30, vacuum box 40 and vavuum pump 50, central controller 60 is connected with the pressure sensor 80 be provided with on scraper 10 and the first magnetic valve 20, second magnetic valve 30 respectively.
Refer to Fig. 2, Fig. 3, this scraper 10 is that the scraper voltage-stabilizing system 100 of the present embodiment is applied on SLA, and in concrete and SLA, resin storage tank (not shown) is directly touched and functional component for removing bubble.Particularly, this scraper 10 is assemblied on resin storage tank by travel mechanism's (not shown), and fit with the resin liquid level in this resin storage tank.Such scraper 10 operationally can be followed travel mechanism and be moved on resin liquid level, the edge of a knife 11 of this scraper 10 directly acts on resin liquid level, can equably by resin stone on workpiece, and the inner chamber 12 of scraper removes bubble on resin liquid level by the mode of absorption under the effect of vavuum pump 50.Wherein travel mechanism specifically can be made up of screw mandrel, drive motors and mount pad.Be appreciated that the stability of inner chamber 12 air pressure in scraper 10, directly have influence on this scraper 10 operationally to bubble removal effect in resin liquid level.In order to ensure the present embodiment scraper 10 operationally, the stability of its inner chamber 12 internal gas pressure, the two ends in the scraper 10 of the present embodiment within it chamber offer pressure detecting interface 13 and tracheae absorption interface 14 respectively, and are respectively used to tipping pressure sensor 80 and vacuum box 40 by tracheae 70.The scraper 10 of the present embodiment operationally, the throughput of the first magnetic valve 20 and the second magnetic valve 30 is regulated by central controller 60, for stablizing the air pressure in this scraper 10 in inner chamber 12, and then ensure that scraper 10 is when moving with travel mechanism, to the removing of resin liquid level bubble.
The scraper 10 of this enforcement is provided with a form 15, and scale is marked on this form 15, further, this form 15 is specifically arranged on the position at this scraper 10 inner chamber 12 place, and the resin liquid level be placed in this scraper 10 is observed by this form 15, this scraper 10 in use like this, the effect of removal bubble when can observe that this scraper 10 acts on resin liquid level intuitively by naked eyes, also be convenient to travel mechanism simultaneously and specifically regulate the translational speed driving scraper 10 to carry out movement according to the bubble situation of resin liquid level, guarantee this scraper 10 further operationally, to the elimination effect of bubble on resin liquid level.
Be appreciated that, be applied in scraper 10 in SLA resin storage tank its when specific works, keep the liquid having certain altitude in scraper 10, tested from evangelista torricelli, standard atmospheric pressure approximates 760mmhg (millimetres of mercury), such scraper 10 in use, it requires the inner chamber 12 of this scraper 10, and it is held in negative pressure, in order to meet the negative pressure value of SLA production requirement in stable scraper 10 inner chamber 12, the present embodiment devises vavuum pump 40 for this reason, it operationally bleeds in scraper 10 inner chamber 12.
Described first magnetic valve 20 and the second magnetic valve 30 are applied in this scraper voltage-stabilizing system 100, specifically for regulating the air pressure in scraper 10 inner chamber 12.Be appreciated that one end of the first magnetic valve 20 and the second magnetic valve 30 is attached mouth 14 by tracheae 70 with the endotracheal suction on this scraper 10 inner chamber 12 and is connected.Wherein, the other end of the first magnetic valve 20 is connected with vavuum pump 50, for controlling the overall throughput of this scraper voltage-stabilizing system 100, forms the one-level regulating action of this scraper voltage-stabilizing system 100 pairs of scraper 10 inner chamber 12 air pressure, that is, coarse adjustment is carried out to inner chamber 12 air pressure of scraper 10.The other end of the second magnetic valve 30 is connected with air, enter flow for Gas regulation, and then the negative pressure value of scraper 10 inner chamber 12 inside can be controlled, form the secondary regulating action of this scraper voltage-stabilizing system 100 pairs of scraper 10 inner chamber 12 air pressure, that is, accurate adjustment is carried out to inner chamber 12 air pressure of scraper 10.Be appreciated that the dual regulation effect by above-mentioned first magnetic valve 20 and the second magnetic valve 30, the air pressure in scraper 10 inner chamber 12 can be regulated, make it be in a suitable negative pressure value, and then achieve the effect of Scavenger resin liquid level bubble.
As from the foregoing, the first magnetic valve 20 and the second magnetic valve 30, when carrying out air pressure adjustment to the inner chamber 12 of scraper 10, carry out air pressure adjustment by endotracheal suction attachment mouth 14 to this scraper 10 inner chamber 12 with tracheae 70.As the first magnetic valve 20 and the second magnetic valve 30 are directly connected with scraper 10 inner chamber 12, the direct suction-operated of such first magnetic valve 20 and the second magnetic valve 30, big ups and downs can be produced to the resin liquid level of scraper 10 inner chamber 12, can affect the print quality of workpiece when this SLA prints like this, it also can have a certain impact by tool to the suction-operated of bubble.For this reason, the tracheae 70 that the scraper voltage-stabilizing system 100 of the present embodiment is connected with scraper 10 inner chamber 12 at the first magnetic valve 20 and the second magnetic valve 30 arranges a vacuum box 40, for producing buffering to the regulating action of the first magnetic valve 20 and the second magnetic valve 30, further, this vacuum box 40 is an airtight cavity structure.
Described central controller 60 is the intelligent control parts of the present embodiment scraper systems stabilisation 100, guarantees that the inner chamber 12 of scraper 10 maintains stable air pressure.Wherein, this central controller 60 is connected with pressure sensor 80, first magnetic valve 20 and the second magnetic valve 30 respectively, it in use, the pressure information measured by pressure sensor 80 can be accepted, and control the first magnetic valve 20 by relevant signal transacting and the second magnetic valve 30 carries out work, and then the air pressure achieved in this scraper voltage-stabilizing system 100 pairs of scraper 10 inner chambers 12 carries out voltage stabilizing control, that is, guarantee that the scraper 100 via the effect of this scraper voltage-stabilizing system 100 effectively can be removed the bubble in resin liquid level in resin storage tank.
Particularly, this central controller 60 includes data processing module and sends instruction module, wherein data processing module for the atmospheric pressure value that receives measured by pressure sensor 80 and the atmospheric pressure value recorded compare with the air pressure reference value originally set.When the resin level signal measured by pressure sensor 80 and the resin level signal reference value originally set are unequal, this data processing module sends a consequential signal to sending instruction module, this transmission instruction module correspondingly regulates the throughput of the first magnetic valve 20 and the second magnetic valve 30 according to the signal received, and then have adjusted the air-extraction function of vavuum pump 50 pairs of scraper 10 inner chambers 12.At this moment, the air pressure of scraper 10 inner chamber 12 changes, and the liquid level of scraper 10 inner chamber 12 is close to the reference value of setting thereupon, reciprocation cycle, the level stability of scraper 10 inner chamber 12 in the reference value of setting, and then achieves the effect that scraper 10 pairs of resin levels carry out stable absorption.
As from the foregoing, described first magnetic valve 20 is arranged in main gas circuit that vavuum pump 40 is connected with scraper 10 inner chamber 12, the adjustment of its first magnetic valve 20 throughput, atmospheric pressure value regulating effect corresponding to vavuum pump 40 pairs of scraper 10 inner chambers 12 is obvious, is suitable for carrying out coarse adjustment to scraper 10 inner chamber 12; And the second magnetic valve 30 is arranged in a gas circuit that vavuum pump 40 is connected with scraper 10 inner chamber 12, the adjustment of its second magnetic valve 30 air-flow bar, regulate accuracy high corresponding to vacuum to the atmospheric pressure value of scraper 10 inner chamber 12, be suitable for carrying out accurate adjustment to scraper 10 inner chamber 12.In order to make this scraper voltage-stabilizing system 100 operationally, realize the quick of corresponding scraper 10 inner chamber 12 air pressure adjustment and high accuracy, the present embodiment, by certain software design patterns, makes the transmission instruction module in central controller 60 select to carry out regulable control to the first magnetic valve 20 or the second magnetic valve 30 according to the comparison difference that data processing module carries out.Further, when the atmospheric pressure value in scraper 10 inner chamber 12 detected by pressure sensor 80 is more than or equal to 50Pa with the air pressure reference value difference preset, transmission instruction module in this central controller 60 controls the adjustment that the first magnetic valve 20 carries out throughput, until the two difference is less than 50Pa, the second magnetic valve 30 is then selected to carry out corresponding throughput adjustment.Be appreciated that, second its one end of magnetic valve 30 in the present embodiment is placed in air, throughput one timing in the first magnetic valve 20 like this, the throughput of the second magnetic valve 30 tunes up, so through the gas flow just corresponding minimizing of vacuum box 40 and scraper 10 inner chamber 12, so the negative pressure of scraper 10 inner chamber 12 will correspondingly reduce, otherwise then increases through the negative pressure of scraper 10 inner chamber 12.
In sum, scraper voltage-stabilizing system of the present utility model is by the first magnetic valve, the Rational structure of the second magnetic valve and central controller is arranged, achieve the voltage stabilizing closed-loop control to scraper inner chamber, and can monitor in real time according to the inner chamber of pressure sensor to scraper, what realize scraper inner chamber internal gas pressure surely controls adjustment in real time, and then achieve the stable of scraper inner chamber resin level and the effective removing to resin level bubble, avoid and cause photosensitive resin liquid fluctuating because of the instability of scraper inner chamber internal gas pressure, stone is uneven, so that printing precision is uncontrollable, even print failure.
The foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (10)
1. a scraper voltage-stabilizing system, it is applied to the shaping printer of laser photocuring, for removing the bubble of resin liquid level in resin storage tank; It is characterized in that: this scraper voltage-stabilizing system comprises
Scraper, described scraper includes the edge of a knife and inner chamber, and the wherein said edge of a knife fits in the resin liquid level in this resin storage tank, and described inner space has a pressure sensor;
First magnetic valve, one end of described first magnetic valve is connected with vavuum pump, and the other end is by the intracavity inter-connection of vacuum box and scraper;
Second magnetic valve, one end of described second magnetic valve is placed in air, and the other end is by the intracavity inter-connection of vacuum box and scraper;
Central controller, described central controller comprises data processing module and sends instruction module, wherein said data processing module is for receiving atmospheric pressure value measured by pressure sensor and itself and the air pressure reference value preset being compared, described transmission instruction module for the consequential signal after accepting via data processing module comparison, and correspondingly regulates the first magnetic valve and the second magnetic valve.
2. scraper voltage-stabilizing system according to claim 1, is characterized in that: described central controller controls by regulating the air pressure of the throughput of the first magnetic valve and the second magnetic valve to scraper inner chamber.
3. scraper voltage-stabilizing system according to claim 1, is characterized in that: connect with tracheae between described vavuum pump, the first magnetic valve, the second magnetic valve and vacuum box.
4. the scraper voltage-stabilizing system according to claim 1 or 3, is characterized in that: the two ends of described scraper offer pressure detecting interface and tracheae absorption interface respectively, are respectively used to tipping pressure sensor and vacuum box by tracheae.
5. scraper voltage-stabilizing system according to claim 1, is characterized in that: described scraper is provided with a form, and mark scale on this form, make this scraper operationally, observe the resin liquid level be placed in this scraper by this form.
6. scraper voltage-stabilizing system according to claim 1, is characterized in that: described vacuum box is an airtight cavity structure.
7. a scraper voltage-stabilizing system, it is characterized in that: comprise scraper, the first magnetic valve, the second magnetic valve, vavuum pump and central controller, one end of described scraper is connected with the first magnetic valve and the second magnetic valve respectively by tracheae, wherein the first magnetic valve is connected with vavuum pump, and the other end of the second magnetic valve is located in air; The inner chamber of this scraper is communicated with a pressure sensor, for monitoring the air pressure in this scraper inner chamber; This central controller is connected with pressure sensor, the first magnetic valve and the second magnetic valve respectively, it includes data processing module and sends instruction module, and can control the first magnetic valve respectively and the second magnetic valve carries out work by the atmospheric pressure value measured by pressure sensor.
8. scraper voltage-stabilizing system according to claim 7, is characterized in that: this voltage-stabilizing system comprises vacuum box further, and wherein this vacuum box is arranged on the tracheae that this scraper is connected with the first magnetic valve and the second magnetic valve.
9. scraper voltage-stabilizing system according to claim 8, is characterized in that: described vacuum box is an airtight cavity structure.
10. scraper voltage-stabilizing system according to claim 7, is characterized in that: described scraper is provided with a form, and mark scale on this form, make this scraper operationally, observe the resin liquid level be placed in this scraper by this form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053890.2U CN204604902U (en) | 2015-01-26 | 2015-01-26 | A kind of scraper voltage-stabilizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053890.2U CN204604902U (en) | 2015-01-26 | 2015-01-26 | A kind of scraper voltage-stabilizing system |
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| CN204604902U true CN204604902U (en) | 2015-09-02 |
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| CN201520053890.2U Withdrawn - After Issue CN204604902U (en) | 2015-01-26 | 2015-01-26 | A kind of scraper voltage-stabilizing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626584A (en) * | 2015-01-26 | 2015-05-20 | 杭州先临三维科技股份有限公司 | Scraper pressure stabilizing system and control method thereof |
| CN105344999A (en) * | 2015-11-15 | 2016-02-24 | 北京工业大学 | Integrated capacitive sensing SLM powder laying scraper |
| CN107020738A (en) * | 2017-06-07 | 2017-08-08 | 吴江中瑞机电科技有限公司 | Scraper plate resin level automatic mechanism for photocuring 3D printer |
| CN111850877A (en) * | 2018-03-14 | 2020-10-30 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
| CN114474715A (en) * | 2022-02-10 | 2022-05-13 | 威斯坦(厦门)实业有限公司 | Method for controlling liquid level temperature in photocuring additive manufacturing |
-
2015
- 2015-01-26 CN CN201520053890.2U patent/CN204604902U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626584A (en) * | 2015-01-26 | 2015-05-20 | 杭州先临三维科技股份有限公司 | Scraper pressure stabilizing system and control method thereof |
| CN104626584B (en) * | 2015-01-26 | 2017-12-26 | 杭州先临三维科技股份有限公司 | A kind of scraper voltage-stabilizing system and its control method |
| CN105344999A (en) * | 2015-11-15 | 2016-02-24 | 北京工业大学 | Integrated capacitive sensing SLM powder laying scraper |
| CN105344999B (en) * | 2015-11-15 | 2017-06-06 | 北京工业大学 | The SLM powderings scraper and the method using the scraper of a kind of integrated capacitance sensing |
| CN107020738A (en) * | 2017-06-07 | 2017-08-08 | 吴江中瑞机电科技有限公司 | Scraper plate resin level automatic mechanism for photocuring 3D printer |
| CN111850877A (en) * | 2018-03-14 | 2020-10-30 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
| CN111850877B (en) * | 2018-03-14 | 2021-08-24 | 南通全技纺织涂层有限公司 | Working method of coating and scraping mechanism combining piezomagnetic effect and magnetostriction principle |
| CN114474715A (en) * | 2022-02-10 | 2022-05-13 | 威斯坦(厦门)实业有限公司 | Method for controlling liquid level temperature in photocuring additive manufacturing |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20171226 |